Started works on improved test filters.
Works on a test and test's result model and view separation.
Fixed: test list element class name
Fixed: body's top padding update
Fixed: test status update
Changed: reorganizing test list header
Refactored filtering mechanism and test list collection.
Don't include test path parts in test's tags.
Don't create a result's instance until it's necessary.
Fixed tests for the meta test builder.
Fixed running tests after changing the tab.
Pass unit/manual future flag while listing tests.
Fixed styles for filter list in Create new job modal.
Fixed top padding in job details view.
Added is:failed, is:manual and is:unit filters and tweaked filtering mechanism.